Files
wordpress-dev-env/wordpress_plugins/query-monitor/classes/Timer.php
Felix Förtsch 648ded8896 Initial commit
2020-10-20 14:39:50 +02:00

110 lines
1.9 KiB
PHP

<?php
/**
* Timer that collects timing and memory usage.
*
* @package query-monitor
*/
class QM_Timer {
protected $start = null;
protected $end = null;
protected $trace = null;
protected $laps = array();
public function start( array $data = null ) {
$this->trace = new QM_Backtrace();
$this->start = array(
'time' => microtime( true ),
'memory' => memory_get_usage(),
'data' => $data,
);
return $this;
}
public function stop( array $data = null ) {
$this->end = array(
'time' => microtime( true ),
'memory' => memory_get_usage(),
'data' => $data,
);
return $this;
}
public function lap( array $data = null, $name = null ) {
$lap = array(
'time' => microtime( true ),
'memory' => memory_get_usage(),
'data' => $data,
);
if ( ! isset( $name ) ) {
/* translators: %d: Timing lap number */
$i = sprintf( __( 'Lap %d', 'query-monitor' ), count( $this->laps ) + 1 );
} else {
$i = $name;
}
$this->laps[ $i ] = $lap;
return $this;
}
public function get_laps() {
$laps = array();
$prev = $this->start;
foreach ( $this->laps as $lap_id => $lap ) {
$lap['time_used'] = $lap['time'] - $prev['time'];
$lap['memory_used'] = $lap['memory'] - $prev['memory'];
$laps[ $lap_id ] = $lap;
$prev = $lap;
}
return $laps;
}
public function get_time() {
return $this->end['time'] - $this->start['time'];
}
public function get_memory() {
return $this->end['memory'] - $this->start['memory'];
}
public function get_start_time() {
return $this->start['time'];
}
public function get_start_memory() {
return $this->start['memory'];
}
public function get_end_time() {
return $this->end['time'];
}
public function get_end_memory() {
return $this->end['memory'];
}
public function get_trace() {
return $this->trace;
}
public function end( array $data = null ) {
return $this->stop( $data );
}
}